CORALVILLE, IA · Johnson County

CORALVILLE MUNI WATER SYSTEM Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID): IA5208071
System type: Community Water System
Population served: 22,318
Service connections: 6,608
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
Styrene
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
Toluene
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1991 – January 31, 1991
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 1991 – January 31, 1991
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
March 1, 1991 – March 31, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	Styrene	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	Toluene	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1991 – January 31, 1991	Monitoring, Regular	Xylenes, Total	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

January 25, 2019State Compliance achieved1 linked violation
January 17, 2019State Formal Notice of Violation issued1 linked violation
January 17, 2019State Public Notification requested2 linked violations
May 22, 2017State Public Notification received1 linked violation
March 31, 2017State Compliance achieved1 linked violation
March 16, 2017State Public Notification requested1 linked violation
March 16, 2017State Formal Notice of Violation issued1 linked violation
May 18, 1993State Public Notification received4 linked violations
May 18, 1993State Public Notification received3 linked violations
May 18, 1993State Public Notification received1 linked violation
May 18, 1993State Public Notification received3 linked violations
May 18, 1993State Public Notification received2 linked violations
May 18, 1993State Public Notification received1 linked violation
May 18, 1993State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 18, 1993State Public Notification received1 linked violation
May 18, 1993State Public Notification received3 linked violations
May 18, 1993State Public Notification received1 linked violation
May 11, 1993State Compliance achieved1 linked violation
May 11, 1993State Compliance achieved1 linked violation
May 11, 1993State Compliance achieved2 linked violations
May 11, 1993State Compliance achieved2 linked violations
May 11, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 11, 1993State Compliance achieved7 linked violations
May 11, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
May 11, 1993State Compliance achieved1 linked violation
May 11, 1993State Compliance achieved1 linked violation
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Formal Notice of Violation issued4 linked violations
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Public Notification requested4 linked violations
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Formal Notice of Violation issued3 linked violations
April 13, 1993State Public Notification requested2 linked violations
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Public Notification requested2 linked violations
April 13, 1993State Public Notification requested2 linked violations
April 13, 1993State Public Notification requested1 linked violation
April 13, 1993State Formal Notice of Violation issued5 linked violations
April 13, 1993State Formal Notice of Violation issued2 linked violations
April 13, 1993State Public Notification requested17 linked violations
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Formal Notice of Violation issued2 linked violations
April 13, 1993State Public Notification requested2 linked violations
April 13, 1993State Public Notification requested9 linked violations
April 13, 1993State Public Notification requested3 linked violations
April 13, 1993State Public Notification requested9 linked violations
April 13, 1993State Formal Notice of Violation issued1 linked violation
April 13, 1993State Formal Notice of Violation issued2 linked violations
August 27, 1991State Public Notification received2 linked violations
January 26, 1982State Unresolved2 linked violations
January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

CORALVILLE MUNI WATER SYSTEM

319-248-1770

CORALVILLE, IA 52241